/Engine/Source/Runtime/Engine/Classes/Engine/World.h
Sweep a shape against the world using a specific channel and return if a blocking hit is found.
TRUE if a blocking hit is found
bool SweepTestByChannel ( const FVector & Start, const FVector & End, const FQuat & Rot, ECollisionChannel TraceChannel, const [FCollisionShape](API\Runtime\PhysicsCore\FCollisionShape) & CollisionShape, const [FCollisionQueryParams](API\Runtime\Engine\FCollisionQueryParams) & Params, const [FCollisionResponseParams](API\Runtime\Engine\FCollisionResponseParams) & ResponseParam ) const